[Installer] Add Frameworks & Resources to the Pods project.

With this patch the Main group of the Pods project is also sorted.

Closes #647
Closes #588

CHANGELOG.md

@@ -34,7 +34,9 @@
 - CocoaPods now has support for working in teams and not committing the Pods folder.
 - CocoaPods now can infer the platform from the integrated targets.
 - Adds new subcommand `pod spec cat NAME` to print a spec file to standard output.
-- Added Podfile to the Pods project.
+- Added Podfile, Frameworks, and Resources to the Pods project.
+  [#647](https://github.com/CocoaPods/CocoaPods/issues/647)
+  [#588](https://github.com/CocoaPods/CocoaPods/issues/588)
 - The `--no-clean` option of the `pod spec lint` command now displays the Pods project for inspection.
 - It is now possible to specify default values for the configuration in `~/.cocoapods/config.yaml` ([example]()).
 - CocoaPods now checks the checksums of the installed specifications and reinstalls them if needed.

Gemfile.lock

 GIT
   remote: git://github.com/CocoaPods/Core.git
-  revision: 65076d5eb9b6b99ecce7b4628ce08b4c0f98f192
+  revision: b9a83fac80d06138852b183a41b3828372bddb8c
   specs:
     cocoapods-core (0.17.0.alpha)
       activesupport (~> 3.2.6)
@@ -9,7 +9,7 @@ GIT
 
 GIT
   remote: git://github.com/CocoaPods/Xcodeproj.git
-  revision: 9acba540a10bb50e69f4fb95052885d53ce76e1f
+  revision: d2bd1824f39ca1f2742e1e7af352db36251a267d
   specs:
     xcodeproj (0.4.0)
       activesupport (~> 3.2.6)

lib/cocoapods/local_pod.rb

@@ -407,6 +407,10 @@ module Pod
       config
     end
 
+    def frameworks
+      specifications.map { |spec| spec.frameworks }.flatten.uniq
+    end
+
     # Computes the paths of all the public headers of the pod including every
     # subspec (activated or not).
     # For this reason the pod must not be cleaned when calling this command.